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Caribbean and Mexico

See whether your hotel's beach is affected by sargassum before you book.

For travellers choosing a hotel and travel agents checking a client's beach. Status comes from the USF AFAI, as a 7-day composite, near shore.

726 hotels · 34 destinations

726 hotels

  • None
  • Low
  • Moderate
  • High
  • Data unavailable
  • Pacific coast

Hotels without coordinates stay in the list and do not appear on the map.

How to read Sargasso Check

  1. 01

    The catalogue

    Each page is a beach hotel: destination, shoreline, and sometimes a public camera for the area.

  2. 02

    The index

    Median AFAI between 35 and 70 km. Negative means clear offshore water. High starts at 0.001, and only if a recent day was already elevated.

  3. 03

    The status

    None, low, moderate, or high, with the date of the latest observation. Data unavailable when the image cannot support a reading.